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High Quality Full Ceramic Bearing Miniature Zirconia Bearing| NEXACULE - Zirconia Bearing

High Quality Full Ceramic Bearing Miniature Zirconia Bearing| NEXACULE

by NEXACULE
$0.00 - $0.00
$0.00
$29.00
$29.00 - $145.00
$29.00
Mode & ID*OD*H: 6000 & 10*26*8mm

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Zirconia Bearing Description:

  • Type:Zirconia Bearing
  • Material:Zirconia crucibles ceramic Bearing
  • Quantity:1pcs  If there are need more quantites, get wholesale price please contact us.E-mail us at info@nexacule.com
  • Customize:If you need others size,we can customize as your size.E-mail us at info@nexacule.com
  • Import duties or taxes are not included in the item price or shipping charges. These charges are the buyer's responsibility.

Zirconia Bearing Deatails:

  1. Zirconia ceramic bearings offer magnetoelectric insulation, wear and corrosion resistance, self-lubrication, and withstand extreme temperatures.

  2. Suitable for harsh environments and special working conditions.

  3. Made from Zirconia (ZrO2) ceramic materials for rings and rolling elements.

  4. PTFE is standard for retainers, with options like glass fiber reinforced nylon 66, special engineering plastics, stainless steel, and brass available.

Zirconia Bearing Specification:

                           Specification of bearing ceramic materials:
Item Unit Silicon nitride Si3N4 Zirconia ZrO2 Alumina 99.5% A12O3 Silicon carbide Bearing steel
Density g/cm³ 3.23 6.05 3.92 3.12 7.85
water absorption % 0 0 0 0 0
Thermal expansion coefficient 10-6/K 3.2 10.5 8.5 3 12.5
Young's modulus of elasticity Gpa 300 210 340 440 208
Poisson's ratio ∕ 0.26 0.3 0.22 0.17 0.3
Hardness (Hv) Mpa 1500 1200 1650 2800 700
Bending strength (room temperature) Mpa 720 950 310 390 520 (tensile strength)
Bending strength (700℃) Mpa 450 210 230 380 ∕
Compressive strength (room temperature) Mpa 2300 2000 2200 1800 ∕
Fracture toughness Mpa*m 6.2 10 4.2 3.9 25
Thermal conductivity (room temperature) W/m*k 25 2 26 120 40
Specific resistivity (room temperature) Ω*mm2/m >1013 >1015 >1016 >103 0.1-1
Maximum working temperature (without load) ℃ 1050 750 1750 1550 300
Acid and alkali corrosion resistance ∕ Strong Strong Strong Strong Weak

 

Zirconia Bearings Features:

  • Corrosion Resistance: Highly resistant to most strong acids (except hydrofluoric), alkalis, salts, and seawater. Suitable for harsh environments like plating, electronics, chemical processing, shipbuilding, and medical equipment.
  • High-Temperature Performance: Operates effectively at 300°C - 800°C (with balls), 180°C - 260°C (with retainers). Ideal for furnace kilns and manufacturing equipment.
  • Self-Lubricating: Low friction coefficient and smooth surface reduce lubrication needs. Silicon nitride variants offer excellent self-lubrication, beneficial in vacuum environments.
  • Non-Magnetic: Absence of magnetism and dust absorption prevents premature wear and noise. Suitable for demagnetization equipment and sensitive instruments.
  • Electrical Insulation: High electrical resistance prevents arcing damage. Safe for power equipment with insulation requirements.
  • Low Density: Lower density than steel reduces centrifugal force on the outer ring by up to 40%, extending service life.
  • Thermal Stability: Less affected by thermal expansion and contraction than steel, ensuring consistent clearance in environments with significant temperature fluctuations.
  • High Elastic Modulus: Resists deformation under stress, enabling higher speeds and precision.

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